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Plutonium–gallium alloy. Plutonium–gallium alloy ( Pu–Ga) is an alloy of plutonium and gallium, used in nuclear weapon pits, the component of a nuclear weapon where the fission chain reaction is started. This alloy was developed during the Manhattan Project .
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Plutonium(IV) oxide, or plutonia, is a chemical compound with the formula Pu O 2. This high melting-point solid is a principal compound of plutonium . It can vary in color from yellow to olive green, depending on the particle size, temperature and method of production.
Joseph W. Kennedy. Joseph William Kennedy (May 30, 1916 – May 5, 1957) was an American chemist who co-discovered plutonium, along with Glenn T. Seaborg, Edwin McMillan, and Arthur Wahl. During World War II, he led the CM (Chemistry and Metallurgy) Division at the Manhattan Project 's Los Alamos Laboratory, where he oversaw research onto the ...
Diameter. 38 inches (97 cm) Filling. Plutonium. " Thin Man " was the code name for a proposed plutonium -fueled gun-type nuclear bomb that the United States was developing during the Manhattan Project. Its development was abandoned in 1944 after it was discovered that the spontaneous fission rate of nuclear reactor -bred plutonium was too high ...
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Plutonium normally has six allotropes and forms a seventh (zeta, ζ) under high temperature and a limited pressure range. [1] These allotropes have very similar energy levels but significantly varying densities and crystal structures. This makes plutonium very sensitive to changes in temperature, pressure, or chemistry, and allows for dramatic ...
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